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Finding the Fourth Proportional to 249.10, 372.96 and 229.96

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Solution

The fourth proportional to 249.10, 372.96 and 229.96 is: 344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.10 : 372.96 = 229.96 : x
  2. Step 2: Convert to fraction form
    249.10/372.96 = 229.96/x
  3. Step 3: Cross multiply
    249.10x = 372.96 × 229.96
  4. Step 4: Simplify right side
    249.10x = 85,765.88
  5. Step 5: Solve for x
    x = 85,765.88/249.10
  6. Step 6: Final answer
    x = 344.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.